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» Document Retrieval Using SIFT Image Features
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CBMS
2001
IEEE
15 years 6 months ago
Computer Assisted Retrieval of Biomedical Image Features from Spine X-Rays: Progress and Prospects
Image indexing for biomedical content is a prohibitively expensive task if done manually. This leads to the demand for effective automated or computer assisted indexing methods. W...
L. Rodney Long, George R. Thoma
ICDAR
2007
IEEE
15 years 8 months ago
A Sparse and Locally Shift Invariant Feature Extractor Applied to Document Images
We describe an unsupervised learning algorithm for extracting sparse and locally shift-invariant features. We also devise a principled procedure for learning hierarchies of invari...
Marc'Aurelio Ranzato, Yann LeCun
ICIP
2010
IEEE
15 years 13 days ago
Multimedia forensic hash based on visual words
In recent years, digital images and videos have become increasingly popular over the internet and bring great social impact to a wide audience. In the meanwhile, technology advanc...
Wenjun Lu, Min Wu
ICIP
2010
IEEE
15 years 13 days ago
Sampling-aware polar descriptors on the sphere
We present a new descriptor and feature matching solution for omnidirectional images. The descriptor builds on the log-polar planar descriptors, but adapts to the specific geometr...
Zafer Arican, Pascal Frossard
WWW
2009
ACM
16 years 3 months ago
Detecting image spam using local invariant features and pyramid match kernel
Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. In this paper, we extract local invariant features ...
Haiqiang Zuo, Weiming Hu, Ou Wu, Yunfei Chen, Guan...